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| <h2 title="Enum OptimisticLockingType" class="title">Enum OptimisticLockingType</h2> |
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| <li> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">java.lang.Enum</a><<a href="../../../../org/eclipse/persistence/annotations/OptimisticLockingType.html" title="enum in org.eclipse.persistence.annotations">OptimisticLockingType</a>></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.eclipse.persistence.annotations.OptimisticLockingType</li> |
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| <pre>public enum <span class="typeNameLabel">OptimisticLockingType</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a><<a href="../../../../org/eclipse/persistence/annotations/OptimisticLockingType.html" title="enum in org.eclipse.persistence.annotations">OptimisticLockingType</a>></pre> |
| <div class="block">An enum that is used within the OptimisticLocking annotation.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/eclipse/persistence/annotations/OptimisticLocking.html" title="annotation in org.eclipse.persistence.annotations"><code>OptimisticLocking</code></a></dd> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd>Guy Pelletier</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>Oracle TopLink 11.1.1.0.0</dd> |
| </dl> |
| </li> |
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| <caption><span>Enum Constants</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Enum Constant and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/annotations/OptimisticLockingType.html#ALL_COLUMNS">ALL_COLUMNS</a></span></code> |
| <div class="block">Using this type of locking policy compares every field in the table |
| in the WHERE clause when doing an update or a delete.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/annotations/OptimisticLockingType.html#CHANGED_COLUMNS">CHANGED_COLUMNS</a></span></code> |
| <div class="block">Using this type of locking policy compares only the changed fields |
| in the WHERE clause when doing an update.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/annotations/OptimisticLockingType.html#SELECTED_COLUMNS">SELECTED_COLUMNS</a></span></code> |
| <div class="block">Using this type of locking compares selected fields in the WHERE |
| clause when doing an update or a delete.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/annotations/OptimisticLockingType.html#VERSION_COLUMN">VERSION_COLUMN</a></span></code> |
| <div class="block">Using this type of locking policy compares a single version number |
| in the where clause when doing an update.</div> |
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| <td class="colFirst"><code>static <a href="../../../../org/eclipse/persistence/annotations/OptimisticLockingType.html" title="enum in org.eclipse.persistence.annotations">OptimisticLockingType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/annotations/OptimisticLockingType.html#valueOf-java.lang.String-">valueOf</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</code> |
| <div class="block">Returns the enum constant of this type with the specified name.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/eclipse/persistence/annotations/OptimisticLockingType.html" title="enum in org.eclipse.persistence.annotations">OptimisticLockingType</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/annotations/OptimisticLockingType.html#values--">values</a></span>()</code> |
| <div class="block">Returns an array containing the constants of this enum type, in |
| the order they are declared.</div> |
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| <h4>ALL_COLUMNS</h4> |
| <pre>public static final <a href="../../../../org/eclipse/persistence/annotations/OptimisticLockingType.html" title="enum in org.eclipse.persistence.annotations">OptimisticLockingType</a> ALL_COLUMNS</pre> |
| <div class="block">Using this type of locking policy compares every field in the table |
| in the WHERE clause when doing an update or a delete. If any field |
| has been changed, an optimistic locking exception will be thrown.</div> |
| </li> |
| </ul> |
| <a name="CHANGED_COLUMNS"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>CHANGED_COLUMNS</h4> |
| <pre>public static final <a href="../../../../org/eclipse/persistence/annotations/OptimisticLockingType.html" title="enum in org.eclipse.persistence.annotations">OptimisticLockingType</a> CHANGED_COLUMNS</pre> |
| <div class="block">Using this type of locking policy compares only the changed fields |
| in the WHERE clause when doing an update. If any field has been |
| changed, an optimistic locking exception will be thrown. A delete |
| will only compare the primary key.</div> |
| </li> |
| </ul> |
| <a name="SELECTED_COLUMNS"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>SELECTED_COLUMNS</h4> |
| <pre>public static final <a href="../../../../org/eclipse/persistence/annotations/OptimisticLockingType.html" title="enum in org.eclipse.persistence.annotations">OptimisticLockingType</a> SELECTED_COLUMNS</pre> |
| <div class="block">Using this type of locking compares selected fields in the WHERE |
| clause when doing an update or a delete. If any field has been |
| changed, an optimistic locking exception will be thrown. Note that |
| the fields specified must be mapped and not be primary keys.</div> |
| </li> |
| </ul> |
| <a name="VERSION_COLUMN"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>VERSION_COLUMN</h4> |
| <pre>public static final <a href="../../../../org/eclipse/persistence/annotations/OptimisticLockingType.html" title="enum in org.eclipse.persistence.annotations">OptimisticLockingType</a> VERSION_COLUMN</pre> |
| <div class="block">Using this type of locking policy compares a single version number |
| in the where clause when doing an update. The version field must be |
| mapped and not be the primary key.</div> |
| </li> |
| </ul> |
| </li> |
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| <h4>values</h4> |
| <pre>public static <a href="../../../../org/eclipse/persistence/annotations/OptimisticLockingType.html" title="enum in org.eclipse.persistence.annotations">OptimisticLockingType</a>[] values()</pre> |
| <div class="block">Returns an array containing the constants of this enum type, in |
| the order they are declared. This method may be used to iterate |
| over the constants as follows: |
| <pre> |
| for (OptimisticLockingType c : OptimisticLockingType.values()) |
| System.out.println(c); |
| </pre></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an array containing the constants of this enum type, in the order they are declared</dd> |
| </dl> |
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| <pre>public static <a href="../../../../org/eclipse/persistence/annotations/OptimisticLockingType.html" title="enum in org.eclipse.persistence.annotations">OptimisticLockingType</a> valueOf(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</pre> |
| <div class="block">Returns the enum constant of this type with the specified name. |
| The string must match <i>exactly</i> an identifier used to declare an |
| enum constant in this type. (Extraneous whitespace characters are |
| not permitted.)</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - the name of the enum constant to be returned.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the enum constant with the specified name</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if this enum type has no constant with the specified name</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if the argument is null</dd> |
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